c# - How to get one login page for multiple systems? -


i have 4 systems running on same server. want let users log in once systems. made 1 user-management system create users , edit them.

i tried save in session didn't help.

any suggestions? working on asp.net.

there 2 approaches.

most resolve around login happening @ central site, returns identity information field (login token) target site uses retreive user.

when go site, site redirects shortly central site , if logged in (persistent cookie) identity of you.

alternatively can lot referrers , playing around.

you want research on internet - loo kfo "single sign on".

http://www.codeproject.com/articles/27576/single-sign-on-in-asp-net-and-other-platforms

has technical discussions.

across complete separate websites (domains) can read on

http://aspalliance.com/1513_cross_site_authentication_and_data_transfer

howw - shared cookies not work there.


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